What is the full form of VAM? What is its role? Give at least two examples each of endo and ecto mycorrhiza.

VAM- Vesicular Arbuscular Mycorrhiza.

VAM helps in better utilisation of mineral by plants in soil having less phosphorus.
VAM helps in nodulation and nitrogen fixation in legumes
VAM helps in the production of soil hyphae which helps in nutrient acquisition.

Ectomycorrhiza: Phytophthora, Amanita, Lycoperdon etc
Endomycorrhiza: Calluna, Vaccinum etc.

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